397426334 has 8 divisors (see below), whose sum is σ = 604536048. Its totient is φ = 195914320.

The previous prime is 397426333. The next prime is 397426373. The reversal of 397426334 is 433624793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 397426291 and 397426300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397426333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399247 + ... + 1399530.

It is an arithmetic number, because the mean of its divisors is an integer number (75567006).

Almost surely, 2^397426334 is an apocalyptic number.

397426334 is a deficient number, since it is larger than the sum of its proper divisors (207109714).

397426334 is a wasteful number, since it uses less digits than its factorization.

397426334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798850.

The product of its digits is 326592, while the sum is 41.

The square root of 397426334 is about 19935.5545195011. The cubic root of 397426334 is about 735.2226539415. Note that the first 3 decimals are identical.

The spelling of 397426334 in words is "three hundred ninety-seven million, four hundred twenty-six thousand, three hundred thirty-four".